人员定位轨迹查询

huaxin-web/src/views/usergps/components/HistoryTrack.vue

@@ -156,14 +156,18 @@
       },
       /**清除marker*/
       clearMarker(){
+        if(this.markers){
           this.markers.forEach(item =>{
             this.gaoMap.map.remove(item);
         })
+        }
       },
       /**清除pipe*/
       clearPipeLine(){
+        if(this.pipeLine){
           this.gaoMap.map.remove(this.pipeLine);
         }
+      }
 
     },
     computed: {